//    dvijok - cms written in gwt
//    Copyright (C) 2010  Pechenko Anton Vladimirovich aka Parilo
//    mailto: forpost78 at gmail dot com
//
//    This program is free software: you can redistribute it and/or modify
//    it under the terms of the GNU General Public License as published by
//    the Free Software Foundation, either version 3 of the License, or
//    (at your option) any later version.
//
//    This program is distributed in the hope that it will be useful,
//    but WITHOUT ANY WARRANTY; without even the implied warranty of
//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//    GNU General Public License for more details.
//
//    You should have received a copy of the GNU General Public License
//    along with this program.  If not, see <http://www.gnu.org/licenses/>
//

package org.dvijok.resources.historywatch;

import java.util.HashMap;

import org.dvijok.event.CustomEventListener;
import org.dvijok.event.CustomEventTool;

public class HistoryWatcherTool {

	private HashMap<String, CustomEventTool> historyETs;
	
	public HistoryWatcherTool(){
		historyETs = new HashMap<String, CustomEventTool>();
	}

	public void addHistoryWatch(String token, CustomEventListener listener){
		if( !historyETs.containsKey(token) ) historyETs.put(token, new CustomEventTool());
		historyETs.get(token).addCustomEventListener(listener);
	}

	public void addHistoryWatch(String[] tokens, CustomEventListener listener){
		for( String token : tokens ) addHistoryWatch(token, listener);
	}
	
	public void removeHistoryWatch(String token, CustomEventListener listener){
		historyETs.get(token).removeCustomEventListener(listener);
	}
	
	public HashMap<String, CustomEventTool> getListeners(){
		return historyETs;
	}
	
}
